US3429946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resins containing allylic esters of styrene-maleic anhydride copolymers
Assignee: Sinclair Research Inc
•
Filing: 1965-11-22
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Granted: 1969-02-25
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Verdol
- 👤 Bob G Gower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C08; C08F; C08F291/00; C08F291/02; C08L; C08L35/00; C08L35/06; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA591565A
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CA673081A
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US2537019A
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US2977334A
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US2975148A
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US3136736A
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US3002860A
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US3317457A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |